MathCastle
Grade 5MediumOrder of Operations

Order of Operations · Medium problem

Sam says 12−4−2=1012 - 4 - 2 = 10 because 4−2=24 - 2 = 2 and 12−2=1012 - 2 = 10. What is the correct value of 12−4−212 - 4 - 2?